CVE-2025-10905 json
Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection
published 2025-11-11 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-84321
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
Collision in MiniFilter driver in Avast Software Avast Free Antivirus before 25.9 on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.
Patch / fix
- Avast Free Antivirus 25.9
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Avast Free Antivirus
Classification
- Weakness
-
- CWE-693 Protection Mechanism Failure
References
Sources
- CVE List CVE-2025-10905
- NVD CVE-2025-10905
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